    def __repr__(self):
        """For `print` and `pprint`"""
        return self.to_str()

    def __ne__(self, other):
        """Returns true if both objects are not equal"""
        return not self == other

    def __setattr__(self, attr, value):
        """set the value of an attribute using dot notation: `instance.attr = val`"""
        self[attr] = value

    def __getattr__(self, attr):
        """get the value of an attribute using dot notation: `instance.attr`"""
        return self.{{#attrNoneIfUnset}}get{{/attrNoneIfUnset}}{{^attrNoneIfUnset}}__getitem__{{/attrNoneIfUnset}}(attr)

    def __copy__(self):
        cls = self.__class__
        if self.get("_spec_property_naming", False):
            return cls._new_from_openapi_data(**self.__dict__)
        else:
            return new_cls.__new__(cls, **self.__dict__)

    def __deepcopy__(self, memo):
        cls = self.__class__

        if self.get("_spec_property_naming", False):
            new_inst = cls._new_from_openapi_data()
        else:
            new_inst = cls.__new__(cls)

        for k, v in self.__dict__.items():
            setattr(new_inst, k, deepcopy(v, memo))
        return new_inst
